2x+4.7=77.8
double the unknown number then add 4.7
2x^2 is not a like term in the given expression (since the given like terms contain only 1 power of x)
Answer:
3^10
Step-by-step explanation:
Because the rules of index
3^4 = 3*3*3*3
3^6 = 3*3*3*3*3*3
(3^4)(3^6)=
3*3*3*3*3*3*3*3*3*3 = 3^10
Answer:
the answer is A. 99 degrees because 81 + 18 = 99
